Hypercoils Front Coil Spring - 11" Tall x 5-1/2" O.D. - 900 lb. Fuel Cell Filler Plate Howe did better than just

Howe did better than just replace them

and race fuels

sound and more

They can be used in seperately or in conjunction with our bracket that have a shock mount provision

1955-1959 GMC M300

Hypercoils Front Coil Spring - 11" Tall x 5-1/2" O.D. - 900 lb. Fuel Cell Filler Plate Howe did better than justQA Series springs have a 5 1 2" O. D. and are 11" tall. Painted black for stock appearance. Hypercoils are manufactured from the highest quality chrome silicone steel and high tensile chrome silicone steel available in the world. The material used in producing Hypercoils undergoes two separate magnaflux inspections. Once before manufacture and again after coiling. These inspections insure the wire is free from surface imperfections which, if gone